A rubber ball of mass 100 g falls from a...

A rubber ball of mass 100 g falls from a height of 1 m rebounds to a height of 40 cm. Find the impulse and the average force between the ball and the ground if time during which they are in contact was 0.1 s.

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The correct Answer is:

1.446 N`cdot`s ; 14.46 N

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